<div class="like-or-dislike" data-bind="visible: !chosenValue()">
  <button data-bind="click: like">喜欢</button>
  <button data-bind="click: dislike">不喜欢</button>
</div>
<div class="result" data-bind="visible: chosenValue">
  You <strong data-bind="text: chosenValue"></strong> it
</div>